Cheapest return flights from Boston to Zurich in December from 428€

AirHint found the following cheapest return flights from Boston (BOS) to Zurich (ZRH) in December 2025 (see full year).

Return flights

01 Dec - 09 Dec TAP
09 Dec - 12 Dec Aer Lingus
09 Dec - 15 Dec TAP
13 Dec - 16 Jan Air France
01 Dec - 08 Dec Aer Lingus
03 Dec - 07 Dec Icelandair
29 Dec - 12 Jan Aer Lingus
12 Dec - 16 Jan Air France
15 Dec - 16 Jan Aer Lingus
16 Dec - 14 Jan Air France
01 Dec - 02 Dec TAP
29 Dec - 12 Jan SWISS direct
15 Dec - 29 Dec Spirit Airlines
25 Dec - 08 Jan LEVEL
17 Dec - 22 Dec Aer Lingus
17 Dec - 28 Dec jetBlue
17 Dec - 29 Dec Aer Lingus
12 Dec - 16 Jan SWISS direct
26 Dec - 06 Jan Air Canada
09 Dec - 04 Jan Icelandair

Also check the deals for one-way flights from Boston to Zurich in December.

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